Video by Pixel (@Pixel_Neuron) · originally posted on XView original post on X
Claude Opus 5 vs Claude Fable 5
Ultra-realistic flight simulator
Pixel@Pixel_Neuron11 likes166 views
The canonical "build an ultra-realistic flight simulator." prompt, one shot, on Claude Opus 5 and Claude Fable 5. The author notes one went general aviation and the other a commercial jet.
Models
| Model | Notes |
|---|---|
| Claude Opus 5Anthropic | Written as “OPUS 5” |
| Claude Fable 5Anthropic | Written as “FABLE 5” |
Details
| Kind | Side-by-side (same post, same prompt) |
|---|---|
| Task | Ultra-realistic flight simulator |
| Author’s verdict | They read "ultra-realistic" completely differently: one went general aviation, one went commercial jet. — @Pixel_Neuron’s view (paraphrased) |
| Topic | Flight simulator in one HTML file |
| Category | Games |
| Mode | One shot |
| Posted | |
| Video length | 40.6 s |
| Likes / views | 11 / 166 · as of Oct 18, 2026 |
| Bookmarks | 4 |
| Sponsored | No |
| Original post | x.com/Pixel_Neuron/status/2081761725691343281 |
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